NIKE Women's Air Jordan Nu Retro 1 Low Black/Sport Red-White 317105-061 Shoe Leather and synthetic combination augment comfort, durability and support Lightweight Phlyon injected into heel for greater response and shock absorption More cushioning thanks to the Air-Sole unit built in to the heel Solid rubber outsole with engineered forefoot flex groups for greater flexibility and traction Foam padding in the collar lining and tongue peaks the comfort factor